closeup of the russian siberian salamander, salamandrella keyserlingii sitting on the forest floor

amphibia amphibian asian salamander chordata caudata ecology hynobidae hynobius keyserlingii lifestage nature russian salamandrella siberian urodela animal biology close up closeup detail eye fauna herpetology juvenile macro natural newt one outdoors predator rare siberia single tailed vertebrata vertebrate wild life wildlife zoology sitting forest floor